Don't error out if dlopen isn't available

config.h.in

@@ -3,27 +3,33 @@
 /* Define if building universal (internal helper macro) */
 #undef AC_APPLE_UNIVERSAL_BUILD
 
+/* Define if subproject MCPPBS_SPROJ_NORM is enabled */
+#undef CUSTOMEXT_ENABLED
+
 /* Default value for --isa switch */
 #undef DEFAULT_ISA
 
 /* Default value for --priv switch */
 #undef DEFAULT_PRIV
 
-/* Default value for --vector switch */
+/* Default value for --varch switch */
 #undef DEFAULT_VARCH
 
-/* Path to the device-tree-compiler */
+/* Executable name of device-tree-compiler */
 #undef DTC
 
 /* Define if subproject MCPPBS_SPROJ_NORM is enabled */
-#undef DUMMY_ROCC_ENABLED
+#undef FDT_ENABLED
+
+/* Define if subproject MCPPBS_SPROJ_NORM is enabled */
+#undef FESVR_ENABLED
+
+/* Dynamic library loading is supported */
+#undef HAVE_DLOPEN
 
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
-/* Define to 1 if you have the `fesvr' library (-lfesvr). */
-#undef HAVE_LIBFESVR
-
 /* Define to 1 if you have the `pthread' library (-lpthread). */
 #undef HAVE_LIBPTHREAD
 

configure

@@ -676,6 +676,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -760,6 +761,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1012,6 +1014,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1149,7 +1160,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1302,6 +1313,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -4840,9 +4852,7 @@ ac_res=$ac_cv_search_dlopen
 if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else
-
-  as_fn_error $? "unable to find the dlopen() function" "$LINENO" 5
+$as_echo "#define HAVE_DLOPEN /**/" >>confdefs.h
 
 fi
 

riscv/riscv.ac

@@ -19,9 +19,7 @@ AC_ARG_WITH(varch,
   AC_DEFINE_UNQUOTED([DEFAULT_VARCH], ["vlen:128,elen:64,slen:128"], [Default value for --varch switch]))
 
 
-AC_SEARCH_LIBS([dlopen], [dl dld], [], [
-  AC_MSG_ERROR([unable to find the dlopen() function])
-])
+AC_SEARCH_LIBS([dlopen], [dl dld], AC_DEFINE([HAVE_DLOPEN], [], [Dynamic library loading is supported]))
 
 AC_CHECK_LIB(pthread, pthread_create, [], [AC_MSG_ERROR([libpthread is required])])